Save more money.
Retirement is no joke, as you'll learn by 50. As youstare at the bleak reality of your 401K, you might find yourself counting everynickel and dime you wasted on frivolous expenses.
So pack your lunch, find street parking (or take the bus) and remember that a penny saved is a penny earned, as cheesy as it sounds.
Re-think a college major.
A few readers mentioned how they wish they'd re-considered their choice of college major, or even thought twice before dropping out.